CN115371738A - Temperature and humidity carbon dioxide detector - Google Patents
Temperature and humidity carbon dioxide detector Download PDFInfo
- Publication number
- CN115371738A CN115371738A CN202211089082.2A CN202211089082A CN115371738A CN 115371738 A CN115371738 A CN 115371738A CN 202211089082 A CN202211089082 A CN 202211089082A CN 115371738 A CN115371738 A CN 115371738A
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- Prior art keywords
- speed reducing
- detector
- gear
- sucker
- air
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- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims abstract description 44
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims abstract description 22
- 239000001569 carbon dioxide Substances 0.000 title claims abstract description 22
- 230000007246 mechanism Effects 0.000 claims abstract description 40
- 238000001514 detection method Methods 0.000 claims abstract description 29
- 238000007789 sealing Methods 0.000 claims abstract description 20
- 238000009423 ventilation Methods 0.000 claims abstract description 17
- 238000004804 winding Methods 0.000 claims description 26
- 230000005540 biological transmission Effects 0.000 claims description 15
- 230000001360 synchronised effect Effects 0.000 claims description 13
- 238000003825 pressing Methods 0.000 claims description 8
- 230000033001 locomotion Effects 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 238000001179 sorption measurement Methods 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 claims description 4
- 239000000741 silica gel Substances 0.000 claims description 4
- 229910002027 silica gel Inorganic materials 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 3
- 239000003570 air Substances 0.000 abstract 7
- 239000012080 ambient air Substances 0.000 abstract 1
- 230000009467 reduction Effects 0.000 description 17
- 230000009471 action Effects 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 7
- 230000006872 improvement Effects 0.000 description 6
- 238000004146 energy storage Methods 0.000 description 4
- 238000004026 adhesive bonding Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229920001296 polysiloxane Polymers 0.000 description 2
- 241000252254 Catostomidae Species 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
- G01D11/30—Supports specially adapted for an instrument; Supports specially adapted for a set of instruments
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Or Analyzing Materials By The Use Of Fluid Adsorption Or Reactions (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The invention belongs to the field of air detection, and particularly relates to a humiture carbon dioxide detector which comprises a detector, a detection module, a speed reducing mechanism, a bowl shell, a sucker A, a sealing ring, a sucker B, a ring sleeve, a sliding plug, a screw rod, a volute spring A and a driving mechanism, wherein, the ventilation grilles at the two sides of the detector are respectively communicated with two branches of the n-shaped groove which is provided with the detection module in the detector. According to the invention, the speed reducing mechanism arranged in the n grooves of the detector is used for effectively reducing the speed of high-speed air flow in the detector in the environment and keeping the air entering the n grooves stable, so that the detection module can accurately detect the air remained in the detector. When the speed reducing mechanism of the invention needs to detect the new ambient air, firstly, the speed reducing mechanism is opened to ensure that air in the environment fully and quickly enters the n grooves and the original air in the environment is discharged, thereby guarantee inside detection module to the accurate detection of air in the new environment.
Description
Technical Field
The invention belongs to the field of air detection, and particularly relates to a humiture carbon dioxide detector.
Background
The humiture carbon dioxide detector is an instrument capable of detecting environment humidity, temperature and carbon dioxide content, can display relevant parameters of the environment in real time, and has wide application in relevant fields such as agriculture and the like.
The current detector detects carbon dioxide in an infrared optical measurement mode, is not suitable for carbon dioxide measurement in an environment with high air flow rate, when it is used in an environment where the flow rate of air is large, the measurement accuracy is affected by the rapidly flowing air.
In addition, the conventional detecting device is generally fixed at a suitable height by means of gluing, hooking, suction with a suction cup, or the like during the use thereof. The gluing and fixing mode is unreliable due to the large influence of the environment, the hooking mode has the defects of wall damage and complicated fixing mode due to the need of punching holes on the wall and installing hooking points, the fixing mode of suction by the suction cup is not suitable for a rough wall body due to the structural characteristics and the working principle of the fixing mode. Therefore, there is a need to develop a fixing method that can reliably fix the detector to the rough wall without damaging the wall.
The invention designs a humiture carbon dioxide detector to solve the problems.
Disclosure of Invention
In order to solve the above-mentioned drawbacks of the prior art, the invention discloses a temperature and humidity carbon dioxide detector, the method is realized by adopting the following technical scheme.
A humiture carbon dioxide detector comprises a detector, a detection module, a speed reducing mechanism, a bowl shell, a sucker A, a sealing ring, a sucker B, a ring sleeve, a sliding plug, a screw, a volute spring A and a driving mechanism, wherein ventilation grilles on two sides of the detector are respectively communicated with two branches of an n-shaped groove in which the detection module is arranged in the detector; a speed reducing mechanism which is used for keeping the air components entering the n-shaped groove stable by reducing the flow velocity of the air entering the n-shaped groove from the ventilation grating is arranged in the n-shaped groove, the speed reducing mechanism is driven by hand to make the air flow in the new detection environment quickly enter the n-shaped groove to effectively replace the original air so as to accurately detect the air composition in the new detection environment.
A ring sleeve is axially slid in a chute C in the middle of the rear side of the detector, the exposed end of the ring sleeve is communicated with a plastic sucker A, the edge of the sucker A is supported by a bowl shell at the chute C, and a certain movement space is formed between the sucker A and the bowl shell; the edge of the inner side of the sucker A is provided with a sealing ring matched with the rough wall body; the inside of the sucker A is connected with a small-diameter sucker B which is concentric with the sucker A through a plurality of connecting rods, and a plurality of pressing blocks matched with the sucker A are uniformly distributed on the periphery of the outer side edge of the sucker B; the sucking disc B is matched with a smooth circular plate glued on the wall body in an adsorption way to assist the sucking disc A to be adsorbed on the wall body.
The detector is provided with a manual driving ring sleeve pair in a sucker A matched with the wall body a structure for vacuumizing and locking the state of the sucker A adsorbed on the wall body; a sliding plug driven by a screw rod in rotary fit with the ring sleeve is sealed and axially slides in the ring sleeve, and the ring sleeve is provided with a vortex spring A for rotationally resetting the ring sleeve; a driving mechanism which is automatically in transmission connection with the screw and is separated from the screw in transmission connection under manual operation is arranged in the detector; driving mechanism with manual operation and one-time energy storage at the suction cup A adsorbed on the wall body and when air leaks, the one-way driving screw drives the sliding plug to automatically vacuumize the inside of the sucking disc A.
<xnotran> , , , ; </xnotran> Two rubber sealing rings which are in sealing fit with the inner wall of the ring sleeve are arranged on the sliding plug.
As a further improvement of the technology, the sealing ring is made of silica gel.
As a further improvement of the technology, a rack A arranged on the ring sleeve is meshed with a gear A arranged in the detector, and a gear B on a shaft on which the gear A is arranged is meshed with a rack B sliding in a sliding groove B at the lower end of the detector; the lower end of the rack B is hinged with an L-shaped lock rod.
As a further improvement of the technology, the ratio of the reference circle diameter of the gear B to the reference circle diameter of the gear A is less than 1.
As a further improvement of the technology, the driving mechanism comprises a gear C, a gear D, a gear E, a gear F, a rotating shaft, a sliding seat, a spring B, a pull rope B, a one-way clutch, a winding wheel, a pull rope C and a volute spring B, wherein the gear F is installed in the sliding seat moving in the radial direction of the screw in the detector through the rotating shaft, the gear F is in transmission fit with the gear E installed in the detector, and the gear D on the shaft where the gear E is located is meshed with the gear C on the screw; a spring B for resetting the sliding seat is arranged in the detector; a winding wheel is arranged on the rotating shaft through a one-way clutch, and a volute spring B for rotationally resetting the winding wheel is arranged on the sliding seat; and the pull rope C wound on the winding wheel and the pull rope B arranged at the lower end of the sliding seat both downwards penetrate out of the lower end of the detector.
As a further improvement of the technology, the annular plate A on the end face of the winding wheel is connected with the annular plate B on the side wall of the sliding seat through a volute spring B; the diameter ratio of the winding wheel to the gear F is smaller than 1, the transmission ratio of the gear F to the gear E is smaller than 1, the reference circle diameter of the gear E to the gear D is smaller than 1, and the transmission ratio of the gear D to the gear C is larger than 1.
As a further improvement of the technology, the speed reducing mechanism comprises a speed reducing plate A, a connecting rod A, a pull rope A, a speed reducing plate B, a connecting rod B, a speed reducing plate C, a connecting rod C, a speed reducing plate D, a connecting rod D, a trigger pin, a synchronous frame, a trigger rod and a spring A, wherein a row of speed reducing plates A and a row of speed reducing plates B which are distributed with the speed reducing plates A in a staggered mode are hinged in two branches of the n-shaped groove; the speed reduction plate A and the speed reduction plate B effectively reduce the speed of the airflow entering from the ventilation grille; each row of speed reducing plates A is hinged with a connecting rod A which enables the speed reducing plates A to synchronously swing, and each row of speed reducing plates B is hinged with a connecting rod B which enables the speed reducing plates B to synchronously swing; a row of speed reducing plates C and a row of speed reducing plates D which are distributed with the speed reducing plates C in a staggered mode are hinged to the top of the n-shaped groove, the speed reducing plates C and the speed reducing plates D further reduce the speed of airflow entering from the ventilation grids on the two sides, and the stability of air components around the monitoring unit is guaranteed; the whole row of speed reducing plates are hinged with a gear the connecting rod C synchronously swings and the connecting rod C, the whole row of speed reducing plates D are hinged with connecting rods D which enable the speed reducing plates D to synchronously swing; the n-shaped groove is internally provided with a plate spring for swinging and resetting the speed reducing plate A, the speed reducing plate B, the speed reducing plate C and the speed reducing plate D; the two connecting rods A, the two connecting rods B, the connecting rod C and the connecting rod D are finally connected with the side wall of the n-shaped groove through the horizontal pull rope A; a synchronous frame is arranged on a trigger rod vertically moving in a chute A on the detector, and four trigger pins arranged on the synchronous frame are respectively matched with four horizontal pull ropes A in a one-to-one correspondence manner; the trigger rod is nested with a spring A for resetting the trigger rod; a fixed pulley for guiding the pulling rope A to be horizontal is matched at each turning part of the pulling rope A.
Compared with the traditional temperature, humidity and carbon dioxide detector, the invention effectively decelerates the high-speed airflow in the detector by the deceleration mechanism arranged in the n grooves of the detector, and ensures that the air entering the n grooves is kept stable, thereby being beneficial to the detection module to accurately detect the air remained in the detector. When the speed reducing mechanism is required to detect the air in the new environment, the speed reducing mechanism is firstly opened to enable the air in the environment to fully and quickly enter the n grooves and discharge the original air in the environment, so that the accurate detection of the air in the new environment by the internal detection module is ensured.
In addition, the silica gel sealing ring at the edge of the sucker A can enable the sucker A to effectively adapt to a rough wall body, and when the sucker A adsorbed on the rough wall body fails due to long-term use, the sucker A can automatically vacuumize the sucker A through a related structure in transmission connection with the sucker A, so that the sucker A can continuously and effectively adsorb on the rough wall body.
According to the invention, the sucker B can assist the sucker A to adsorb and fix the detector on a rough wall after the auxiliary sucker A fixes the sucker B to the wall and the detector fixes the detector to the wall, so that double insurance is increased. Simultaneously, sucking disc B provides effectual impetus for sucking disc A evacuation during the operation of automatic evacuation after sucking disc A became invalid to guarantee that sucking disc A can carry out effectual automatic evacuation operation, and then guarantee that sucking disc A adsorbs the reliability that is fixed in the wall body with the detector. The invention has simple structure and better use effect.
Drawings
Fig. 1 is a schematic view of the present invention from two perspectives.
Fig. 2 is a schematic sectional view of the speed reducing mechanism of the present invention.
Fig. 3 is a partial sectional schematic view of the speed reducing mechanism.
FIG. 4 is a schematic cross-sectional view of the driving mechanism of the adsorption wall of the present invention.
Figure 5 is a schematic cross-sectional view of the drive engagement between the winding wheel and the carriage.
Fig. 6 is a cross-sectional view of the gear B, the rack B and the lock bar.
FIG. 7 is a cross-sectional view of the present invention in conjunction with a wall and an upper circular plate of the wall.
FIG. 8 is a schematic view of the body of the monitor from two viewing angles.
Number designation in the figure: 1. a detector; 2. a display screen; 3. a switch button; 4. a ventilation grille; 5. a chute A; 6. a chute B; 7. a chute C; 8. a keyway; 9. n-shaped grooves; 10. a detection module; 11. a speed reduction mechanism; 12. a speed reduction plate A; 13. a connecting rod A; 14. pulling a rope A; 15. a speed reduction plate B; 16. a connecting rod B; 18. a speed reduction plate C; 19. a connecting rod C; 20. a speed reduction plate D; 21. a connecting rod D; 22. triggering a pin; 23. a synchronous frame; 24. a trigger lever; 25. a spring A; 26. a rectangular ring; 27. a bowl shell; 28. a sucker A; 29. a seal ring; 30. a connecting rod; 31. a sucker B; 32. a pressing block; 33. sleeving a ring; 34. a guide key; 35. a sliding plug; 36. a seal ring; 37. a screw; 38. a volute spring A; 39. a rack A; 40. a gear A; 41. a gear B; 42. a rack B; 43. a lock lever; 44. a gear C; 45. a gear D; 46. a gear E; 47. a gear F; 48. a rotating shaft; 49. a slide base; 50. a guide block; 51. a guide groove; 52. a spring B; 53. pulling a rope B; 54. a one-way clutch; 55. a winding wheel; 56. a ring plate A; 57. pulling a rope C; 58. a volute spring B; 59. a ring plate B; 60. a fixed pulley; 61. a circular plate; 62. a wall body; 63. a plate spring; 64. a drive mechanism.
Detailed Description
The drawings are schematic illustrations of the implementation of the present invention to facilitate understanding of the principles of structural operation. The specific product structure and the proportional size are determined according to the use environment and the conventional technology.
As shown in fig. 1, 2 and 4, the detector comprises a detector 1, a detection module 10, a speed reducing mechanism 11, a bowl 27, a sucker a28, a sealing ring 29, a sucker B31, a ring sleeve 33, a sliding plug 35, a screw 37, a volute spring a38 and a driving mechanism 64, wherein as shown in fig. 2 and 8, the ventilation grilles 4 on two sides of the detector 1 are respectively communicated with two branches of the n-shaped groove 9 in which the detection module 10 is installed in the detector 1; as shown in fig. 2, a speed reducing mechanism 11 for keeping the air composition entering the n-type groove 9 stable by reducing the flow rate of air entering from the ventilation grille 4 is installed in the n-type groove 9, and the speed reducing mechanism 11 is manually driven to accurately detect the air composition of the new detection environment by enabling the air flow in the new detection environment to rapidly enter the n-type groove 9 to effectively replace the original air.
As shown in fig. 4, 7 and 8, a ring sleeve 33 is axially slid in a chute C7 in the middle of the rear side of the detector 1, an exposed end of the ring sleeve 33 is connected with a plastic sucker a28, the edge of the sucker a28 is supported by a bowl shell 27 at the chute C7, and a certain movement space is formed between the sucker a28 and the bowl shell 27; the inner side edge of the suction cup A28 is provided with a sealing ring 29 matched with the rough wall body 62; a small-diameter suction cup B31 concentric with the suction cup A28 is connected in the suction cup A28 through a plurality of connecting rods 30, and a plurality of pressing blocks 32 matched with the suction cup A28 are uniformly distributed on the outer side edge of the suction cup B31 in the circumferential direction; the suction pad B31 is attached to the wall 62 by the auxiliary suction pad a28 being attached to the smooth circular plate 61 adhered to the wall 62.
As shown in fig. 4 and 6, the detecting instrument 1 has a structure in which the manual driving ring sleeve 33 is used to vacuumize the inside of the suction cup a28 engaged with the wall 62 and lock the state in which the suction cup a28 is attached to the wall 62; a sliding plug 35 driven by a screw 37 in rotary fit with the ring sleeve 33 is hermetically and axially slid in the ring sleeve 33, and a volute spring A38 for rotationally resetting the ring sleeve 33 is arranged on the ring sleeve 33; as shown in fig. 4 and 7, the detecting instrument 1 is provided with a driving mechanism 64 which is automatically connected with the screw rod 37 in a transmission way and is disconnected with the screw rod 37 in a transmission way under the manual operation; when the suction cup A28 adsorbed on the wall 62 leaks air, the one-way driving screw 37 drives the sliding plug 35 to automatically vacuumize the inside of the suction cup A28 by the driving mechanism 64 which is manually operated and stores energy once.
As shown in fig. 1 and 8, a display screen 2 for displaying ambient temperature, ambient humidity and carbon dioxide content is arranged on the front side of the detector 1, and a switch button 3 is arranged at the upper end of the detector 1; as shown in fig. 4, the sliding plug 35 is provided with two rubber sealing rings 36 which are in sealing fit with the inner wall of the ring sleeve 33.
As shown in fig. 4, the sealing ring 29 is made of silicone.
As shown in fig. 4 and 6, a rack a39 installed on the ring sleeve 33 is engaged with a gear a40 installed in the detector 1, and a gear B41 on a shaft on which the gear a40 is located is engaged with a rack B42 sliding in a chute B6 at the lower end of the detector 1; the lower end of the rack B42 is hinged with an L-shaped lock rod 43.
As shown in fig. 4, the pitch diameter ratio of the gear B41 to the gear a40 is smaller than 1.
As shown in fig. 4 and 5, the driving mechanism 64 includes a gear C44, a gear D45, a gear E46, a gear F47, a rotating shaft 48, a sliding seat 49, a spring B52, a pulling rope B53, a one-way clutch 54, a winding wheel 55, a pulling rope C57 and a volute spring B58, wherein as shown in fig. 4 and 5, the gear F47 is installed in the sliding seat 49 in the detecting instrument 1 by the rotating shaft 48 and moves along the screw 37 in the radial direction, the gear F47 is in transmission fit with the gear E46 installed in the detecting instrument 1, and a gear D45 on the shaft of the gear E46 is meshed with the gear C44 on the screw 37; the detector 1 is internally provided with a spring B52 for resetting the sliding seat 49; a winding wheel 55 is arranged on the rotating shaft 48 through a one-way clutch 54, and a volute spring B58 which is used for rotatably resetting the winding wheel 55 is arranged on the sliding seat 49; as shown in fig. 1, the rope C57 wound around the winding wheel 55 and the rope B53 attached to the lower end of the slide base 49 both extend downward beyond the lower end of the monitor 1.
As shown in figure 5 of the drawings, the ring plate A56 on the end face of the winding wheel 55 is connected with the ring plate B59 on the side wall of the sliding seat 49 through a scroll spring B58; as shown in fig. 4, the diameter ratio of the winding wheel 55 to the gear F47 is smaller than 1, the gear ratio of the gear F47 to the gear E46 is smaller than 1, the pitch circle diameter of the gear E46 to the gear D45 is smaller than 1, and the gear ratio of the gear D45 to the gear C44 is larger than 1.
As shown in fig. 2, the speed reducing mechanism 11 includes a speed reducing plate a12, a connecting rod a13, a pull rope a14, a speed reducing plate B15, a connecting rod B16, a speed reducing plate C18, a connecting rod C19, a speed reducing plate D20, a connecting rod D21, a trigger pin 22, a synchronization frame 23, a trigger rod 24 and a spring a25, wherein as shown in fig. 2, a row of speed reducing plates a12 and a row of speed reducing plates B15 distributed in a staggered manner with the speed reducing plates a12 are hinged in both two branches of the n-shaped groove 9; the speed reduction plate a12 and the speed reduction plate B15 effectively reduce the speed of the airflow entering from the ventilation grille 4; each row of speed reducing plates A12 is hinged with a connecting rod A13 which enables the speed reducing plates to synchronously swing, and each row of speed reducing plates B15 is hinged with a connecting rod B16 which enables the speed reducing plates to synchronously swing; a row of speed reducing plates C18 and a row of speed reducing plates D20 which are distributed with the speed reducing plates C18 in a staggered mode are hinged to the top of the n-shaped groove 9, the speed reducing plates C18 and the speed reducing plates D20 further reduce the speed of airflow entering from the ventilation grids 4 on the two sides, and air components around the monitoring unit are guaranteed to be stable; the whole row of speed reducing plates C18 are hinged with connecting rods C19 which enable the speed reducing plates C to synchronously swing, and the whole row of speed reducing plates D20 are hinged with connecting rods D21 which enable the speed reducing plates D to synchronously swing; the n-shaped groove 9 is internally provided with a plate spring 63 which swings and resets the speed reducing plate A12, the speed reducing plate B15, the speed reducing plate C18 and the speed reducing plate D20; the two connecting rods A13, the two connecting rods B16, the connecting rod C19 and the connecting rod D21 are finally connected with the side wall of the n-shaped groove 9 through the horizontal pull rope A14; a synchronous frame 23 is arranged on a trigger rod 24 which vertically moves in a chute A5 on the detecting instrument 1, four trigger pins 22 arranged on the synchronous frame 23 are respectively matched with the four horizontal pull ropes A14 in a one-to-one correspondence manner; as shown in fig. 3, the trigger lever 24 is nested with a spring a25 for resetting the trigger lever; a fixed pulley 60 for guiding the rope a14 to a horizontal position is fitted to each turn.
As shown in fig. 4, two guide blocks 50 are symmetrically mounted on the sliding base 49, and the two guide blocks 50 respectively slide in two guide grooves 51 on the inner wall of the detecting instrument 1. As shown in fig. 4 and 8, the ring sleeve 33 has two symmetrical guide keys 34, and the two guide keys 34 slide in the two key slots 8 on the inner wall of the sliding chute C7 respectively.
The working process of the invention is as follows: in the initial state, the speed reduction plate a12, the speed reduction plate B15, the speed reduction plate C18 and the speed reduction plate D20 in the speed reduction mechanism 11 are in a shielding and speed reducing state for the airflow entering the n-shaped groove 9 from the ventilation grille 4, all the pull ropes a14 are in a straightening state, the four trigger pins 22 are respectively in contact with the horizontal sections of the corresponding pull ropes a14, and the spring a25 on the trigger rod 24 is in a stretching state. The edge part of the suction cup A28 is attached to the edge part of the bowl shell 27, the edge of the suction cup B31 is spaced from the sealing ring 29, and the pressing block 32 on the suction cup B31 is in contact with the suction cup A28. The sliding plug 35 is located closest to the suction cup B31 in the ring housing 33, and the scroll springs a38 and B58 are in a natural state. Gear E46 meshes with gear F47 and spring B52 is in compression. The rack B42 is not locked by the L-shaped lock lever 43.
When air detection needs to be performed in a new environment with a high air flow rate, the trigger lever 24 is pressed first, the trigger lever 24 drives the four trigger pins 22 through the synchronization frame 23 to press down the horizontal sections of the four pull ropes a14, so that the two connecting rods a13, the two connecting rods B16, the connecting rod C19 and the connecting rod D21 move through the four trigger pins 22, the two connecting rods a13 drive the speed reducing plates a12 hinged with the two connecting rods a13 to synchronously swing under the pulling of the corresponding pull ropes a14, the two connecting rods B16 drive the speed reducing plates B15 hinged with the two connecting rods B16 to synchronously swing under the pulling of the corresponding pull ropes a14, the connecting rod C19 drives all the speed reducing plates C18 to swing under the pulling of the corresponding pull ropes a14, and the connecting rod D21 drives all the speed reducing plates D20 to swing under the pulling of the corresponding pull ropes a 14. The swing of the speed reducing plate A12, the speed reducing plate B15, the speed reducing plate C18 and the speed reducing plate D20 drives the plate spring 63 for resetting to deform and store energy. The group of speed reducing plates A12 and the group of speed reducing plates B15 in each n-shaped groove 9 do not form effective shielding and speed reduction on the air flow entering from the ventilation grille 4 due to synchronous swing, the two speed reducing plates C18 and the two speed reducing plates D20 in the top of the n-shaped groove 9 do not form effective shielding and speed reduction on the air flow entering from the two branches of the n-shaped groove 9 due to synchronous swing, and the original air in the n-shaped groove 9 is completely replaced by the high-speed air flow entering from the outside in a new environment.
Then, the pressing force on the trigger lever 24 is removed, the trigger lever 24 is reset instantly under the reset action of the spring A25 and drives the four trigger pins 22 to release the pressing on the four pull ropes A14 through the synchronous frame 23, the speed reducing plate A12, the speed reducing plate B15, the speed reducing plate C18 and the speed reducing plate D20 are swung back instantly under the reset action of the plate spring 63 to reset and form effective shielding and speed reduction on the air flow entering from the ventilation grille 4 again, meanwhile, the protection of air entering the top of the n-shaped groove 9 and fully and stably contacting the monitoring module is guaranteed, so that the detection module 10 fully and effectively detects the air which is almost in a static state, and the detection precision of the detector 1 on the air components in the new environment is improved.
When the detector 1 needs to be fixed on a rough wall surface by suction, the smooth circular plate 61 matched with the suction disc B31 is firstly installed at the position where the detector 1 is sucked on the front surface by gluing. Then, the suction cup B31 is aligned with the circular plate 61 and the suction cup a28 is pressed against the wall surface, so that the silicone sealing ring 29 at the edge of the suction cup a28 is in sufficient contact with the rough wall surface and a sealed space is formed in the suction cup a28, and at the same time, the suction cup B31 is pressed against the circular plate 61 by the suction cup a28 through the pressing block 32 and a sealed space is formed.
Then, the L-shaped lock lever 43 is toggled, the lock lever 43 drives the rack B42 hinged thereto to slide outward of the chute B6 at the lower end of the detector 1, the rack B42 drives the ring sleeve 33 to retract into the chute C7 at the back of the detector 1 for a certain distance through the gear B41, the gear a40 and the rack a39, the ring sleeve 33 drives the sliding plug 35, the screw 37 and the gear C44 to move synchronously, the ring sleeve 33 also drives the sucker a28 to retract into the bowl 27, and the sucker a28 drives the sucker B31 to retract synchronously through the connecting rod 30. During the contraction of the suction cup a28 and the suction cup B31 along with the movement of the ring sleeve 33, a vacuum-like operation occurs in the sealed space between the suction cup a28 and the suction cup B31, so that the suction cup a28 is tightly attached to the rough wall surface, and the suction cup B31 is tightly attached to the circular plate 61. The matching of the suction disc B31 and the circular plate 61 can effectively assist the suction disc A28 to be adsorbed and fixed on a rough wall surface, and the reliability of adsorption and fixation on the wall surface of the invention is improved.
When the lock lever 43 is shifted to the limit, the distance by which the rack B42 slides out of the chute B6 is locked, and the suction of the suction cup a28 to the rough wall surface and the suction of the suction cup B31 to the circular plate 61 are maintained.
After the detector 1 is fixed on a rough wall surface by the suction cup A28 and the suction cup B31 in an adsorption manner, the pull rope C57 is pulled, the pull rope C57 drives the winding wheel 55 to rotate for a certain angle, the one-way clutch 54 plays an overrunning role, and the volute spring B58 is compressed to store energy.
When the energy stored in the scroll spring B58 is sufficient, the tension of the pull rope C57 is removed, and the winding wheel 55 intends to return under the return action of the scroll spring B58, but at this time, the one-way clutch 54 performs the one-way driving action. The sliding plug 35 cannot axially contract towards the inner part of the ring sleeve 33 because the inner space of the suction cup A28 is in a sealed vacuum state, so that the screw rod 37 in threaded fit with the sliding plug 35 is prevented from rotating, and the screw rod 37 prevents the winding wheel 55 from winding the pulling rope C57 back through the gear C44, the gear D45, the gear E46, the gear F47 and the one-way clutch 54 and keeps the energy storage state of the volute spring B58.
When the sucker A28 adsorbed on the rough wall surface leaks air due to the sealing ring 29 and the wall surface, the suction force of the sliding plug 35 in the vacuum environment in the sucker A28 is reduced, the stress balance at the two ends of the sliding plug 35 is broken, the energy-storing volute spring B58 drives the screw 37 to rotate relative to the ring sleeve 33 through the winding wheel 55, the one-way clutch 54, the rotating shaft 48, the gear F47, the gear E46, the gear D45 and the gear C44, the volute spring A38 starts to store energy, the screw 37 drives the sliding plug 35 in threaded fit with the screw to axially contract towards the inside of the ring sleeve 33 and vacuumize the space in the sucker A28, and therefore the sucker A28 extrudes the sucker A28 and the silica gel rubber ring on the sucker A28 towards the wall surface under the action of the external atmospheric pressure, and the sucker A28 is adsorbed on the rough wall surface again. As long as sucking disc A28 adsorbs for a long time and appears leaking gas, the volute spring B58 of energy storage all can drive sliding plug 35 through a series of transmissions and carry out vacuum pumping operation again in the sucking disc A28 that takes place to leak gas for sucking disc A28 can adsorb in the coarse wall surface lastingly, guarantees the fixed persistence and more reliable of detector 1 on the coarse wall surface, and can not provide power for sliding plug 35 to contract in the ring cover 33 again until the energy storage of volute spring B58 finishes.
When the detector 1 needs to be taken down from the wall surface, the locking rod 43 is only required to be pulled back to unlock the rack B42, the unlocked rack B42 moves out of the chute C7 at the back of the detector 1 through a series of driving rings 33, and the rings 33 drive the suckers a28 to reset, so that the adsorbability on the wall surface is lost. The suction cup B31 is easily pulled out from the wall surface due to interaction with the circular plate 61 adhered to the wall surface.
Then, the pull rope B53 is pulled, and the pull rope B53 brings the slide base 49 and all the components on the slide base 49 into synchronous motion, and the spring B52 is further compressed. The gear F47 is disengaged from the gear E46, and the screw 37 rotates reversely under the reset action of the volute spring A38 and drives the sliding plug 35 to axially slide back and reset in the ring sleeve 33. With the disengagement of the gear E46 and the gear F47, the spiral spring B58 drives the gear F47 to idle through the winding wheel 55, the one-way clutch 54 and the drill shaft until the energy release of the spiral spring B58 is finished.
When the sliding plug 35 is reset and the energy of the volute spring B58 is released, the pulling force on the pulling rope B53 is removed, the slide seat 49 drives all the components on the slide seat to slide back under the reset action of the spring B52, and the gear E46 is re-meshed with the gear F47.
In summary, the beneficial effects of the invention are as follows: according to the invention, the speed reducing mechanism 11 arranged in the n grooves of the detector 1 is used for effectively reducing the speed of high-speed air flow in the environment entering the detector 1 and keeping the air entering the n grooves stable, so that the detection module 10 is beneficial to accurately detecting the air remained in the detector. When the speed reducing mechanism 11 of the invention needs to detect the new environment air, the speed reducing mechanism 11 is firstly opened to enable the air in the environment to fully and quickly enter the n grooves and discharge the original air in the environment, thereby ensuring the accurate detection of the internal detection module 10 on the air in the new environment.
<xnotran> , A28 29 A28 62, 62 A28 A28 , A28 62 . </xnotran> According to the invention, the suction cup B31 can assist the suction cup A28 to adsorb and fix the detector 1 on the rough wall 62 after the auxiliary suction cup A28 and the suction cup B31 are fixed on the wall 62 by the detector 1, so that double insurance is added. Simultaneously, sucking disc B31 provides effectual impetus for sucking disc A28 evacuation during the automatic operation of evacuation after sucking disc A28 became invalid to guarantee that sucking disc A28 can carry out effectual automatic evacuation operation, and then guarantee that sucking disc A28 adsorbs detector 1 and be fixed in the reliability of wall body 62.
Claims (8)
1. The utility model provides a humiture carbon dioxide detector which characterized in that: the device comprises a detector, a detection module, a speed reducing mechanism, a bowl shell, a sucker A, a sealing ring, a sucker B, a ring sleeve, a sliding plug, a screw rod, a volute spring A and a driving mechanism, wherein ventilation grids on two sides of the detector are respectively communicated with two branches of an n-shaped groove in which the detection module is arranged; the n-shaped groove is internally provided with a speed reducing mechanism which can keep the air composition entering the n-shaped groove stable by reducing the flow velocity entering the n-shaped groove from the ventilation grating, and the speed reducing mechanism can be manually driven to accurately detect the air composition of a new detection environment by enabling the air flow in the new detection environment to rapidly enter the n-shaped groove to effectively replace the original air;
a ring sleeve is axially slid in a chute C in the middle of the rear side of the detector, the exposed end of the ring sleeve is communicated with a plastic sucker A, the edge of the sucker A is supported by a bowl shell at the chute C, and a certain movement space is formed between the sucker A and the bowl shell; the edge of the inner side of the sucking disc A is provided with a sealing ring matched with the rough wall body; the inside of the sucker A is connected with a small-diameter sucker B which is concentric with the sucker A through a plurality of connecting rods, and a plurality of pressing blocks matched with the sucker A are uniformly distributed on the periphery of the outer side edge of the sucker B; the sucker B is adsorbed on the wall body by the auxiliary sucker A in adsorption fit with the smooth circular plate which is adhered to the wall body;
the detector is provided with a structure that a manual driving ring sleeve is used for vacuumizing the sucker A matched with the wall body and locking the state of the sucker A adsorbed on the wall body; a sliding plug driven by a screw rod in rotary fit with the ring sleeve is sealed and axially slides in the ring sleeve, and the ring sleeve is provided with a vortex spring A for rotationally resetting the ring sleeve; a driving mechanism which is automatically in transmission connection with the screw and is separated from the screw in transmission connection under manual operation is arranged in the detector; when the sucker A adsorbed on the wall body leaks air, the one-way driving screw drives the sliding plug to automatically vacuumize the sucker A.
2. The humiture carbon dioxide detector of claim 1, characterized in that: the front side of the detector is provided with a display screen for displaying the ambient temperature, the ambient humidity and the carbon dioxide content, and the upper end of the detector is provided with a switch button; two rubber sealing rings which are in sealing fit with the inner wall of the ring sleeve are arranged on the sliding plug.
3. The temperature and humidity carbon dioxide detector of claim 1, wherein: the sealing ring is made of silica gel.
4. The humiture carbon dioxide detector of claim 1, characterized in that: a rack A arranged on the ring sleeve is meshed with a gear A arranged in the detector, and a gear B on a shaft of the gear A is meshed with a rack B sliding in a sliding chute B at the lower end of the detector; the lower end of the rack B is hinged with an L-shaped lock rod.
5. The temperature and humidity carbon dioxide detector of claim 4, wherein: the reference circle diameter ratio of the gear B to the gear A is less than 1.
6. The humiture carbon dioxide detector of claim 1, characterized in that: the driving mechanism comprises a gear C, a gear D, a gear E, a gear F, a rotating shaft, a sliding seat, a spring B, a pull rope B, a one-way clutch, a winding wheel, a pull rope C and a volute spring B, wherein the gear F is installed in the sliding seat which moves in the radial direction of the screw rod in the detector through the rotating shaft, the gear F is in transmission fit with the gear E installed in the detector, and the gear D on the shaft where the gear E is located is meshed with the gear C on the screw rod; a spring B for resetting the sliding seat is arranged in the detector; a winding wheel is arranged on the rotating shaft through a one-way clutch, and a volute spring B for rotationally resetting the winding wheel is arranged on the sliding seat; and the pull rope C wound on the winding wheel and the pull rope B arranged at the lower end of the sliding seat both downwards penetrate out of the lower end of the detector.
7. The humiture carbon dioxide detector of claim 6, characterized in that: the annular plate A on the end face of the winding wheel is connected with the annular plate B on the side wall of the sliding seat through a volute spring B; the diameter ratio of the winding wheel to the gear F is smaller than 1, the transmission ratio of the gear F to the gear E is smaller than 1, the reference circle diameter of the gear E to the gear D is smaller than 1, and the transmission ratio of the gear D to the gear C is larger than 1.
8. The humiture carbon dioxide detector of claim 1, characterized in that: the speed reducing mechanism comprises a speed reducing plate A, a connecting rod A, a pull rope A, a speed reducing plate B, a connecting rod B, a speed reducing plate C, a connecting rod C, a speed reducing plate D, a connecting rod D, a trigger pin, a synchronous frame, a trigger rod and a spring A, wherein a row of speed reducing plates A and a row of speed reducing plates B which are distributed with the speed reducing plates A in a staggered mode are hinged in two branches of the n-shaped groove; the speed reducing plate A and the speed reducing plate B effectively reduce the speed of the airflow entering from the ventilation grille; each row of speed reducing plates A are hinged with connecting rods A which enable the speed reducing plates A to synchronously swing, and each row of speed reducing plates B are hinged with connecting rods B which enable the speed reducing plates B to synchronously swing; a row of speed reducing plates C and a row of speed reducing plates D which are distributed with the speed reducing plates C in a staggered mode are hinged to the top of the n-shaped groove, the speed reducing plates C and the speed reducing plates D further reduce the speed of airflow entering from the ventilation grids on the two sides, and the stability of air components around the monitoring unit is guaranteed; the whole row of speed reducing plates C are hinged with connecting rods C which enable the speed reducing plates C to synchronously swing, and the whole row of speed reducing plates D are hinged with connecting rods D which enable the speed reducing plates D to synchronously swing; the n-shaped groove is internally provided with a plate spring for swinging and resetting the speed reducing plate A, the speed reducing plate B, the speed reducing plate C and the speed reducing plate D; the two connecting rods A, the two connecting rods B, the connecting rod C and the connecting rod D are finally connected with the side wall of the n-shaped groove through the horizontal pull rope A; a synchronous frame is arranged on a trigger rod vertically moving in a chute A on the detector, and four trigger pins arranged on the synchronous frame are respectively matched with four horizontal pull ropes A in a one-to-one correspondence manner; a spring A for resetting the trigger rod is nested on the trigger rod; a fixed pulley for guiding the pulling rope A to be horizontal is matched at each turning point of the pulling rope A.
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